<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>玻璃动态时钟</title>
    <link rel="stylesheet" href="style.css" />
  </head>

  <body>
    <div class="container">
      <div class="box">
        <div class="clock">
          <div class="hour">
            <div class="hr" id="hr"></div>
          </div>
          <div class="min">
            <div class="mn" id="mn"></div>
          </div>
          <div class="sec">
            <div class="sc" id="sc"></div>
          </div>
        </div>
      </div>
    </div>

    <script>
      const deg = 6;
      const hr = document.querySelector("#hr");
      const mn = document.querySelector("#mn");
      const sc = document.querySelector("#sc");

      setInterval(() => {
        let day = new Date();
        let hh = day.getHours() * 30;
        let mm = day.getMinutes() * deg;
        let ss = day.getSeconds() * deg;
        hr.style.transform = `rotateZ(${hh}deg)`;
        mn.style.transform = `rotateZ(${mm}deg)`;
        sc.style.transform = `rotateZ(${ss}deg)`;
      });
    </script>
  </body>
</html>
